HTML5 Tracker

Short URL: http://html5.org/r/6754

Index: source
===================================================================
--- source	(revision 6753)
+++ source	(revision 6754)
@@ -10592,6 +10592,37 @@
    <li><code title="attr-title">title</code></li>
   </ul>
 
+  <div class="impl">
+
+  <p>These attributes are only defined by this specification as
+  attributes for <span>HTML elements</span>. When this specification
+  refers to elements having these attributes, elements from namespaces
+  that are not defined as having these attributes must not be
+  considered as being elements with these attributes.</p>
+
+  <div class="example">
+
+   <p>For example, in the following XML fragment, the "<code
+   title="">bogus</code>" element does not have a <code
+   title="attr-dir">dir</code> attribute as defined in this
+   specification, despite having an attribute with the literal name
+   "<code title="">dir</code>". Thus, <span>the directionality</span>
+   of the inner-most <code>span</code> element is '<span
+   title="concept-rtl">rtl</span>', inherited from the
+   <code>div</code> element indirectly through the "<code
+   title="">bogus</code>" element.</p>
+
+   <pre class="bad">&lt;div xmlns="http://www.w3.org/1999/html" dir="rtl">
+ &lt;bogus xmlns="http://example.net/ns" dir="ltr">
+  &lt;span xmlns="http://www.w3.org/1999/html">
+  &lt;/span>
+ &lt;/bogus>
+&lt;/div></pre>
+
+  </div>
+
+  </div>
+
   <hr>
 
   <p>The following <span>event handler content attributes</span> may
@@ -65768,7 +65799,27 @@
 <!--START w3c-html-->
 
 
+  <h4>Microdata and other namespaces</h4>
 
+  <p>Currently, the <code title="attr-itemscope">itemscope</code>,
+  <code title="attr-itemprop">itemprop</code>, and other microdata
+  attributes are only defined for <span>HTML elements</span>. This
+  means that attributes with the literal names "<code
+  title="">itemscope</code>", "<code title="">itemprop</code>", etc,
+  do not cause microdata processing to occur on elements in other
+  namespaces, such as SVG.</p>
+
+  <div class="example">
+
+   <p>Thus, in the following example there is only one item, not
+   two.</p>
+
+   <pre class="bad">&lt;p itemscope>&lt;/p> &lt;!-- this is an item (with no properties and no type) -->
+&lt;svg itemscope>&lt;/svg> &lt;!-- this is not, it's just an <code>svg</code> element with an invalid unknown attribute --></pre>
+
+  </div>
+
+
   <h3>Microdata DOM API</h3>
 
 <!--END html--><!--END dev-html--><!--END complete--><!--END epub--><!--MD-->

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